Operating instructions

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15" LCD Color Monitor AOC 519Sw

Service

Horizontal Frequency

30- 80 kHz

Table Of Contents

Description Page Description Page

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE

CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING

ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

Table Of Contents.......……..............................…........1

Revision List.…........................................……......2

1. Monitor Specification..............................………........3

2. LCD Monitor Description…………………………….......4

3. Operation Instruction…………...............……...........5

3.1. General Instructions...........................…...........5

3.2. Control Button…………….…..............……...............5

3.3 Adjusting the Picture...........................…............6

4. Input/Output Specification............……………............9

4.1. Input Signal Connector............………….................9

4.2. Factory Preset Display Modes......…..................9

5. Panel Specification.....………………..................10

5.1. General Feature…….....………………..................10

5.2. Optical Characteristics………………………………10

5.3 Electrical Characteristics…………………………11

6. Block Diagram……...................…………................12

6.1 Software Flow Chart………………………………...12

6.2.Electrical Block Diagram……………..….......14

7. Schematic……………......................................16

7.1 Main Board....……….......................................16

7.2 Power Board.….……....................................21

8.PCB Layout..…….......................................23

8.1. Main Board………........................................23

8.2. Power Board….......................................25

8.3. Key Board………............….......................26

9. Maintainability……….......................................27

9.1. Equipments and Tools Requirement..............27

9.2. Trouble Shooting………..............................28

9.2.1 Main Board…………..............................28

9.2.2 Power Board………..............................31

9.2.3 Key Board…………..............................33

10 White-Balance, Luminance adjustment...34

11. Monitor Exploded View………………..…....….......35

12. BOM List………………………………..……………36

13. Different Parts List.........…….……........................45

Summary of content (46 pages)

PAGE 1
5" LCD Color Monitor AOC 519Sw Service Service Service Table Of Contents Description Horizontal Frequency 30- 80 kHz Page Description Page Table Of Contents.......……..............................…........1 7. Schematic……………......................................16 Revision List.…........................................……......2 7.1 Main Board....……….......................................16 1. Monitor Specification..............................………........3 7.2 Power Board.….……....................
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15" LCD Color Monitor AOC 519Sw Revision List Revision Date Revision History TPV Model A00 Oct.-27-2008 First Version Release T58ARDNCWJA2NNE A01 Dec.-08-2008 Add New Model In Item 13 T58ARDNCWJA13NE A02 Jan.-20-09 Add New Model In Item 13 T58ARDNCWJA4NNE A03 Feb.
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15" LCD Color Monitor 1. Monitor Specification LCD Panel Input Display Colors Dot Clock Max. Resolution Plug & Play EPA ENERGY STAR® AOC 519Sw Driving system Size Pixel pitch Video Separate Sync. H-Frequency V-Frequency TFT Color LCD 381mm 0.2595mm( H )x 0.2595mm( V ) R,G,B Analog Interface H/V TTL 30kHz – 60kHz 55Hz-75Hz 16.7M Colors 75MHz 1280 x 720@60HZ VESA DDC2BTM ≤23W (For 2 CCFL) ON Mode OFF Mode ≤1 W D-Sub 15pin Analog:0.7Vp-p(standard), 75 OHM, Positive Horizontal :344.3mm Vertical :193.
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15" LCD Color Monitor 2. LCD Monitor Description AOC 519Sw The LCD MONITOR will contain a main board, a power board, a key board and an audio board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC voltage to drive the backlight of panel and the main board chips each voltage. Monitor Block Diagram Flat Panel and CCFL Drive.
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15" LCD Color Monitor 3. Operating Instructions AOC 519Sw 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at the front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. - The power cord should be connected. - Connect the video cable from the monitor to the video card. - Press the power button to turn on the monitor, the power indicator will light up. 3.
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15" LCD Color Monitor AOC 519Sw 3.3 Adjusting The Pictures 1. Press the MENU-button to activate the OSD window. 2. Press or to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it. If the function selected has a sub-menu, press or again to navigate through the sub-menu Functions. Once the desired function is highlighted, press MENU-button to activate it. 3. Press or to change the settings of the selected function. 4.
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15" LCD Color Monitor AOC 519Sw Sports Mode Sports Gamma1 Adjust to Gamma1 Gamma2 Adjust to Gamma 2 Gamma3 Adjust to Gamma 3 Off Disable dynamic contrast ratio On Enable dynamic contrast ratio Clock 0-100 Adjust picture Clock to reduce Vertical-Line noise. Phase 0-100 Adjust Picture Phase to reduce Horizontal-Line noise H.Position 0-100 Adjust the horizontal position of the picture. V.Position 0-100 Adjust the verticalposition of the picture.
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15" LCD Color Monitor Bright Frame AOC 519Sw on or off Disable or Enable Bright Frame H.Position 0-100 Adjust the horizontal position of OSD V.
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15" LCD Color Monitor 4. Input/Output Specification AOC 519Sw 4.1 Input Signal Connector Pin No. Description Pin No. 9. Description 1. Red +5V 2. Green 10. Ground 3. Blue 11. RDX 4. Monitor Ground 12. Monitor Ground 5. VGA-CON 13. H-Sync 6. R-Ground 14. V-Sync 7. G-Ground 15. DDC-Serial Clock 8. B-Ground VGA Connector layout 1 5 6 10 11 15 4.2 Factory Preset Display Modes STANDARD VGA SVGA XGA WXGA HORIZONTAL VERTICAL FREQUENCY FREQUENCY 720 x 400 31.
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15" LCD Color Monitor 5. Panel Specification AOC 519Sw 5.1 General Characteristics 5.
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15" LCD Color Monitor AOC 519Sw 5.
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15" LCD Color Monitor 6. Block Diagram AOC 519Sw 6.
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15" LCD Color Monitor AOC 519Sw 1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EEPROM. Turn on the LED and set it to green color. Scaler initializes. 10) In standby mode? 11) Update the lifetime of back light.
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15" LCD Color Monitor AOC 519Sw 6.2 Electrical Block Diagram 6.2.
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" LCD Color Monitor AOC 519Sw 6.2.
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15" LCD Color Monitor AOC 519Sw 7. Schematic 7.1 Main Board CN201 1 2 3 4 5 6 7 8 9 CMVCC CMVCC CMVCC BKLT-VBRI BKLT-EN C_PANEL_INDEX Volume# Mute MVCC DIM# {4} PANEL_ID# Volume# Mute {4} {4} {4} FB202 NC CMVCC FB201 3 Panel ID(3.3V PWM) 2 + AP1117E33LA C204 C205 C203 100uF/25V + 1 C202 100uF/25V VOUT VSS 120 VIN CONN '07-01-10 change to Elite VCC3 U201 0.1uF/16V '07-01-10 change to Elite 0.1uF/16V Back light Dimming(3.3V PWM) VCC3 * BKLT-EN High ON(3.
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15" LCD Color Monitor DSUB_V AOC 519Sw {4} R305 2.2K 1/16W 1/16W C302 C303 22pF FB302 22pF VGA_B+ 13 DDC1_SDA 12 11 ZD307 UDZS5.6B VGA_BVGA_B+ VGA_GVGA_G+ VGA_RVGA_R+ 2 DSUB_H DSUB_5V 75R 1/16W C305 5pF/50V RTD_B+ {5} RTD_B- {5} RTD_G+ {5} RTD_G- {5} RTD_R+ {5} RTD_R- {5} 0.047uF RTD_B- 0.047uF UDZS5.6B UDZS5.
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15" LCD Color Monitor AOC 519Sw CMVCC D401 BAT54C(NC) 2 1 Reserve for powerBoard CMVCC=3V MCU_VCC 3 DSUB_5V CMVCC '06-11-24 D402 change Value from BAT54 to BAV70 C402 D402 BAV70 1uF 10V Q401 PMBS3904 MCU_VCC_S MCU_VCC C404 R402 1K 1/16W C412 R405 R406 R407 U403 3 U402 AZ431AN-AE1 R404 10K 1/16W 1 1 2 3 4 2 BAT54C NC VCC NC WC NC SCL VSS SDA 8 7 6 5 NC/4K7 1/16W NC/4K7 1/16W NC/0.22uF NC/4K7 1/16W 1uF 10V R403 3.
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AOC 519Sw {3} {3} {3} {3} RXO0+ 37 DGND RXO0TXO0- TXO0+ 38 39 PGND R1.8DVCC 40 VCCK {4} RTD_SD3/SDI RTD_SCLK RTD_SCLK RTD_SD3/SDI 41 43 44 42 SCL DDCSDA/PWM1/IRQ SDA CRYSTAR_OUT XIN DDCSCL/PWM0 AHS TXE0- ADC_GND TXE0+ B- TXE1- B+ TXE1+ 16 17 18 19 20 RTD_R+ R1.8DVCC BJT_B R1.
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15" LCD Color Monitor AOC 519Sw LVDS Panel ( Normal Type ) {5} CN601 LVDS_O[0..9] {5} LVDS_E[0..
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15" LCD Color Monitor AOC 519Sw 7.2 Power Board 100 OHM 1/4W L904 1 100 OHM 1/4W R920 + 100 OHM 1/4W ! R932 300K OHM 1/4W 4 9 10 5 7 8 R908 C906 1500pF2KV 100KOHM +-5% 2WS D900 FR107 R906 NC D907 ZD906 RLZ22B + D901 FR103 C903 22uF/50V POWER X'FMR RT NC VCC CS COMP VCC GND OUT 5 6 7 8 R910 10R 1/4W ZD905 RLZ18B LD7552BPS C908 +5V1 NC R952 NC F903 L903 +5V 1.0uH R962 100 OHM 1/4W C929 0.
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15" LCD Color Monitor AOC 519Sw 1 2 C839 1500PF/50V R855 15R 1/4W F801 D805 LL4148 C801 30pF/3KV R821 1K 1/8W R817 10K 1/10W 1% CONN CN801 C819 0.0022uF 2 3 1 0 OHM 1/4W R804 100R 1/8W Q801 PMBS3904 C802 470UF/25V + D810 NC C824 0.1uF Q802 AM9945N-T1-PF 1 8 D S Q808 PDTA144WK 2 Q804 PMBS3906 1 C825 0.
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15" LCD Color Monitor AOC 519Sw 8. PCB Layout 8.
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15" LCD Color Monitor AOC 519Sw 24
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15" LCD Color Monitor AOC 519Sw 8.
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15" LCD Color Monitor AOC 519Sw 8.
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15" LCD Color Monitor 9. Maintainability AOC 519Sw 9.1 Equipment and Tools Requirement 1. Voltmeter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with an IBM Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual.
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15" LCD Color Monitor AOC 519Sw 9.2 Trouble Shooting 9.2.1 Main Board No Power No power Press power key and look if the picture is normal NG Please reinsert and make sure the AC of 100-240 is normal NG OK Reinsert or check the Adapter/Inverter section Measure U201 PIN2=2.
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15" LCD Color Monitor AOC 519Sw No Picture (LED orange) No picture NG The button if under X401 oscillate control NG Replace X401 waveform is normal OK OK Check reset circuit of U401 is normal Measure U201 PIN2=2.
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15" LCD Color Monitor AOC 519Sw White Screen White screen Measure R604 base NG is high level? NG OK OK Check Correspondent component. X401 oscillate waveform is normal Check Q601, Q602 are Check reset circuit of broken or CN601 solder? U401 is normal NG NG OK OK Replace U401 Replace PANEL 30 Replace X401 Check Correspondent component.
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15" LCD Color Monitor AOC 519Sw 9.2.
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15" LCD Color Monitor AOC 519Sw 2.) W / LED, No Backlight Check CN902 pin12 =12V NG Check adapter or MB OK Check ON/OFF signal NG Check Interface board OK Check IC801 pin9=12V NG Change Q801 or Q802 OK Check the pin1 of IC801 have saw tooth wave NG Change IC801 OK Check D801,D802 have the output of square wave at short time.
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15" LCD Color Monitor AOC 519Sw 9.2.
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15" LCD Color Monitor 10. White- Balance, Luminance Adjustment AOC 519Sw Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. How to do the Chroma-7120 MEM. Channel setting A. Reference to chroma 7120 user guide B. Use “ SC” key and “ NEXT” key to modify x, y, Y value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust 2. Setting the color temp. you want A. MEM.CHANNEL 3 (7800 color): 7800 color temp.
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15" LCD Color Monitor 11. Monitor Exploded View NO. AOC 519Sw DESCRIPTION PART NO. NO. DESCRIPTION PART NO.
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15" LCD Color Monitor AOC 519Sw 12. BOM List T58ARDNCWJA2NNE Location E08902 E09503 E750 Part No. Description 026G 800504 3 BARCODE LABEL FOR 4 040G 58162435A P/N LABEL FOR MANUAL PE BAG 040G 58162461A EPA LABEL 045G 77 3 PE PACKING 050G 600 2 HANDLE1 050G 600 3 HANDLE2 052G 1150 C INSULATING TAPE 052G 1185 MIDDLE TAPE 052G 1186 SMALL TAPE 052G 1207 A Conductive Tape 45mm *25mm *0.08mm 052G 1211 B Conductive Tape 85mm *40mm *0.
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15" LCD Color Monitor Q45G 88606 14 AOC 519Sw A PE BAG Q52G6020137 protect film AM1G1740 12 47 CR3 SCREW Q34G0266ABJ 1B0100 STAND TOP Q34G0267ABJ 1B0120 STAND Q34G0268ABJ 1B0130 base 8s1 Q37G0067011 HINGE CN202 033G3802 6B Y W WAFER CN201 033G3802 9B Y W WAFER CN601 033G8027 14 H WAFER 14P 2.0MM DIP 040G 45762412B CBPC LABEL R507 061G152M33964L RST MOFR 3.3 OHM +-5% 2WS R508 061G152M51964L RST MOFR 5.
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15" LCD Color Monitor AOC 519Sw R430 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R432 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R433 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R434 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R435 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R315 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R313 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R312 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R311 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R309 061G0402101 RST CHIPR 100 OHM
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15" LCD Color Monitor AOC 519Sw R451 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R412 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R411 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R407 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R406 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R405 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R202 061G0402472 RST CHIPR 4.
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15" LCD Color Monitor AOC 519Sw C309 065G0402473 12 CHIP 0.047uF 16V X7R C307 065G0402473 12 CHIP 0.047uF 16V X7R C306 065G0402473 12 CHIP 0.047uF 16V X7R C304 065G0402473 12 CHIP 0.047uF 16V X7R C301 065G0402473 12 CHIP 0.
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15" LCD Color Monitor AOC 519Sw C803 065G 3J3006ET 30PF 5% SL 3KV TDK C901 065G305M1022BP Y2 1000PF M 250VAC Y5P C902 065G305M1022BP Y2 1000PF M 250VAC Y5P C900 065G306M3322BP 3300PF 20% C907 067G 40Z10115K CAP 105℃ 100UF M 450V C918 067G215D6814KV CAP 105℃ 680uF M 25V C917 067G215D6814KV CAP 105℃ 680uF M 25V C940 067G215P1024PV CAP 105℃ 1000UF M 25V C922 067G215P4714PV CAP 105℃ 470UF M 25V C802 067G215P4714PV CAP 105℃ 470UF M 25V L904 073G 253 91 V1 CHOKE COIL 1.
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15" LCD Color Monitor AOC 519Sw Q812 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q809 057G 759 2 RK7002 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5B PDTC144WK SOT346 Q802 057G 763 6 AO4828L R823 061G0603000 RST CHIP MAX 0R05 1/10W R942 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R926 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R827 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R824 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R818 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R802 06
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15" LCD Color Monitor AOC 519Sw R924 061G0805151 RST CHIPR 150 OHM +-5% 1/8W R825 061G0805220 RST CHIPR 22 OHM +-5% 1/8W R829 061G0805220 RST CHIPR 22 OHM +-5% 1/8W R850 061G0805220 RST CHIPR 22 OHM +-5% 1/8W R839 061G0805220 RST CHIPR 22 OHM +-5% 1/8W R943 061G0805471 RST CHIPR 470 OHM +-5% 1/8W R837 061G0805473 RST CHIPR 47K OHM +-5% 1/8W R810 061G0805510 2F RST CHIPR 51K OHM +-1% 1/8W JR801 061G1206000 RST CHIP MAX 0R05 1/4W JR901 061G1206000 RST CHIP MAX 0R05 1/4W F801 0
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15" LCD Color Monitor AOC 519Sw C924 065G0805104 32 CAP CHIP 0805 0.1uF K 50V X7R C930 065G0805104 32 CAP CHIP 0805 0.1uF K 50V X7R C931 065G0805104 32 CAP CHIP 0805 0.1uF K 50V X7R C822 065G0805105 22 CAP CHIP 0805 1uF K 25V X7R C838 065G0805152 31 1.5nF/50V C839 065G0805152 31 1.5nF/50V C820 065G080522131G CAP CHIP 0805 220PF G 50V NPO C845 065G0805225 12 CAP CHIP 0805 2.
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15" LCD Color Monitor 12. Different Parts List AOC 519Sw Diversity of T58ARDNCWJA13NE compared with T58ARDNCWJA2NNE Location E08901 Part No.
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15" LCD Color Monitor AOC 519Sw Q34G0318ABJA1B0130 BEZEL(L15W-8Q1A) Q34G0319ABJA2B0100 REAR COVER15" Q40G000260811A Basic label Q52G 1185 98 MIDDLE CARTON TAPE FOR AOC Q52G 1185 99 BIG CARTON TAPE FOR AOC 46